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CSA ANSI Z21.11.2
Gas-fired room heaters, volume II, unvented room heaters
Edition
2019
CSA ANSI Z21.11.3-2016
Gas-fired room heaters, volume III, propane-fired portable emergency use heater systems
Edition
2016-11-01
CSA ANSI Z21.12-1990
Draft Hoods
Edition
1990-01-22
CSA ANSI Z21.12a-1993
Draft Hoods; Addenda 1
Edition
1993-04-23
CSA ANSI Z21.12b-1994
Draft Hoods; Addenda 2
Edition
1994-02-14
CSA ANSI Z21.13/CSA 4.9
Gas-fired low-pressure steam and hot water boilers
Edition
2022-08-01
CSA ANSI Z21.15/CSA 9.1
Manually operated gas valves for appliances, appliance connector valves and hose-end valves
Edition
2021-12-01
CSA ANSI Z21.17-1998/CSA 2.7-M98
Domestic Gas Conversion Burners
Edition
1998-11-01
CSA ANSI Z21.17a/CSA 2.7a-2008
Domestic Gas Conversion Burners
Edition
2008
CSA ANSI Z21.18/CSA 6.3
Gas appliance pressure regulators
Edition
2019-07-01
